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which is more likely???????!!!!


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RenaM
Anonymous Poster
rena_masson@hotmail.com

Oct 22, 2008, 11:33 AM

Post #1 of 2 (1303 views)
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Can a faulty or broken water pump on a ’94 bmw 540i cause the radiator fan to explode and destroy the fan, fan-housing, radiator and bearing? THe shop where i took my said this is what happened. I just had the rad replaced last month and yesterday noticed the fan hitting the housing. I took the car in and when they started it the fan exploded into the housing destroying it and the rad. I believe the reverse is true: that the fan hitting the housing blew apart into the rad and the force of the fan/housing threw off the bearing and blew the water pump.

which Scenario is more likelyUnsure


Tom Greenleaf
Ultimate Carjunky / Moderator
Tom Greenleaf profile image

Oct 22, 2008, 1:30 PM

Post #2 of 2 (1294 views)
Re: which is more likely???????!!!! Sign In

Belt driven water pumps with fan on them can let go and fan causes unknown amount of damage. If it uses a fan clutch that can do it also. There should have been some wild symptoms - noise, leaks but possible that bearing(s) gave out quickly losing control of the fan and whatever is in it's way gets damaged including it,

T

Ps: You noticed the fan hitting and should have investigated right then. Fans themselves rarely are the cause....







 
 
 






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